Square box and square tube series, cast iron inspection square box, inspection square box, T-shaped groove square box-Hebei Fengquan Machinery Manufacturing Co.,Ltd.

T-shaped groove square box

When selecting the flatness standard for T-shaped groove square boxes, it is gene...

Inspection box

The inspection box is made of cast iron, and its surface has been processed by pl...

Cast iron inspection box

Cast iron inspection box is mainly used for checking the parallelism and perpendi...

Marking square box

The main requirement is that there should be no rust, scratches, cracks, dents, o...

Inspection box

The inspection box is made of gray cast iron, usually a square of 100mm to 500mm,...

Magnetic square box

The use of magnetic square box: It is an instrument used in industrial production...